One Jalopnik reader wanted to know why this Euro-style Mazda6 hatchback was in the parking lot of his local New Jersey ShopRite. Simple, Mazda's testing the 43 MPG diesel coming stateside in 2012. And they probably wanted snacks.

Mazda continues to heed the call of enthusiasts, claiming they'll bring the Sky-D diesel…
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The Sky-D diesels are coming, and we couldn't be more excited. If they can deliver the hybrid-besting diesel fuel economy and give us something with a manual transmission that doesn't look like a giant Jellybean we'll be most-pleased.